<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>less</title>
    <link type="text/css" rel="stylesheet" href="../css/aa.css">
</head>
<body>
<div id="header">

</div>
<div class="box">
    <p>我是p <a>aaaaaa</a></p>

</div>
</body>
</html>